Joe Celko's Trees And Hierarchies In Sql For Smarties

A guide to mastering the two challenging aspects of developing database applications in SQL. It illustrates several major approaches to representing trees and hierarchies and related topics that should be of interest to the working database programmer. It covers SQL-92 and SQL:1999. It includes grap [...]
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A guide to mastering the two challenging aspects of developing database applications in SQL. It illustrates several major approaches to representing trees and hierarchies and related topics that should be of interest to the working database programmer. It covers SQL-92 and SQL:1999. It includes graph theory and programming techniques.